gecko/dom/devicestorage/DeviceStorageRequestChild.cpp

105 lines
2.9 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "DeviceStorageRequestChild.h"
#include "nsDeviceStorage.h"
#include "nsDOMFile.h"
namespace mozilla {
namespace dom {
namespace devicestorage {
DeviceStorageRequestChild::DeviceStorageRequestChild()
{
MOZ_COUNT_CTOR(DeviceStorageRequestChild);
}
DeviceStorageRequestChild::DeviceStorageRequestChild(DOMRequest* aRequest,
DeviceStorageFile* aFile)
: mRequest(aRequest)
, mFile(aFile)
{
MOZ_COUNT_CTOR(DeviceStorageRequestChild);
}
DeviceStorageRequestChild::~DeviceStorageRequestChild() {
MOZ_COUNT_DTOR(DeviceStorageRequestChild);
}
bool
DeviceStorageRequestChild::Recv__delete__(const DeviceStorageResponseValue& aValue)
{
switch (aValue.type()) {
case DeviceStorageResponseValue::TErrorResponse:
{
ErrorResponse r = aValue;
mRequest->FireError(r.error());
break;
}
case DeviceStorageResponseValue::TSuccessResponse:
{
jsval result = StringToJsval(mRequest->GetOwner(), mFile->mPath);
mRequest->FireSuccess(result);
break;
}
case DeviceStorageResponseValue::TBlobResponse:
{
BlobResponse r = aValue;
// I am going to hell for this. bent says he'll save me.
const InfallibleTArray<PRUint8> bits = r.bits();
void* buffer = PR_Malloc(bits.Length());
memcpy(buffer, (void*) bits.Elements(), bits.Length());
nsString mimeType;
mimeType.AssignWithConversion(r.contentType());
nsCOMPtr<nsIDOMBlob> blob = new nsDOMMemoryFile(buffer,
bits.Length(),
mFile->mPath,
mimeType);
jsval result = BlobToJsval(mRequest->GetOwner(), blob);
mRequest->FireSuccess(result);
break;
}
case DeviceStorageResponseValue::TEnumerationResponse:
{
EnumerationResponse r = aValue;
nsDOMDeviceStorageCursor* cursor = static_cast<nsDOMDeviceStorageCursor*>(mRequest.get());
PRUint32 count = r.paths().Length();
for (PRUint32 i = 0; i < count; i++) {
nsCOMPtr<nsIFile> f;
NS_NewLocalFile(r.paths()[i].fullpath(), false, getter_AddRefs(f));
nsRefPtr<DeviceStorageFile> dsf = new DeviceStorageFile(f);
dsf->SetPath(r.paths()[i].path());
cursor->mFiles.AppendElement(dsf);
}
nsCOMPtr<ContinueCursorEvent> event = new ContinueCursorEvent(cursor);
NS_DispatchToMainThread(event);
break;
}
default:
{
NS_RUNTIMEABORT("not reached");
break;
}
}
return true;
}
} // namespace devicestorage
} // namespace dom
} // namespace mozilla